Remove/install AdBlue heater coolant solenoid valve

AR14.40-B-2010TC

Remove/install AdBlue heater coolant solenoid valve

28.10.2019

Engine

924 in model 694.000/042

Engine

924 in model 958.0/1, 979.023/026/028/073/076/078

Engine

926.9 in model 693.298/328/388, 695.010/011/304

Engine

926.9 in model 958.0/1

Engine

926.9 in model 958.2

Modification notes

29.10.2011

Follow the steps below only for vehicles with CODE (HV1) AdBlue heating

Model 693.2/3, 694.0, 695.0/3, 958.0/2, 979.0

1

Coolant inlet piping

2

Electric connection

3

Coolant inlet

4

Coolant outlet

5

Cooling outlet piping

Y107

AdBlue tank heating solenoid valve

 Warning

Risk of accident from vehicle starting off by itself when engine running. Risk of injury (bruises and burns) resulting from working on the engine while it is being started or when it is running.

Secure vehicle to prevent it from starting off by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts.

AS00.00-Z-0005-01A

 

Remove/install

 Warning

Risk of burn injuries and scalding when working at AdBlue lines and the components attached to them. Risk of injury to skin and eyes when handling AdBlue. Risk of poisoning caused by swallowing AdBlue

Pour AdBlue into suitable containers only. Wait until the pressure is released before starting any work on the exhaust aftertreatment system.

AS14.40-Z-0001-01A

 Warning

Risk of injury to skin and eyes suffering scalding from contact with hot coolantspray. Risk of poisoning from swallowing coolant.

Do not open cooling system unless coolant temperature is below 90 °C. Open cap slowly and release the pressure. Do not pour coolant into beverage containers.
Wear protective gloves, protective clothing and safety glasses.

AS20.00-Z-0001-01A

1

Turn off ignition

Topical note

Notes on coolant

AH20.00-N-2080-01A

Notes on use, material properties and handling of AdBlue®

.

AH14.40-N-0001-01A

2

Relieve the cooling system pressure

 Warning

Risk of injury caused by body parts being pinched or crushed as cab is tilted

Ensure that no one is within the tilting range of the cab as it is being tilted. Always tilt the cab all the way to the end position and secure it with the safety strut.

AS60.80-Z-0001-01A

3

Tilt the cabin

Topical note

Notes on tilting the cab

.

AH60.80-N-0003-01A

4

Loosen the electric connection (2)

 Installation: Replace the cables crimp.

5

Choke the pipes (1, 5) using a clamp

 Clamp

*000589543700

6

Loosen the pipes (1, 5) from the heating valve (Y107)

7

Remove the heating valve (Y107)

 .SCR tank heating solenoid valve on support

*BA14.40-B-1012-02B

8

Install in reverse order

9

Starting engine

10

Check the tightness of the cooling system

 Just visual inspection.

 Exhaust gas after-treatment

Number

Designation

Engine 924.9, 926.9 except Liquid Only

BA14.40-B-1012-02B

SCR tank heating solenoid valve on support

Nm

25